Beam quality: During the experiment the 6He beam intensities were around 104–105 pps at the secondary-target position. Target: A 3.8 mg/cm2120Sn (98.29%) target was used.Data obtained: author graph (digitized with GSYS 2.4)The experiment was performed in the 8UD Sao Paulo Pelletron Laboratory using the RIBRAS (Radioactive Ion Beams in Brazil) system.